Six Cornerstone Research Experts Receive 2026 Lexology Client Choice Recognition

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The firm’s affiliated experts and consulting professionals are recognized among the foremost consulting experts in the United States.

The Lexology Index: Client Choice list recognizes attorneys and consulting experts who “stand apart for the excellent client care they provide and the quality of their service.” Recommendations are made based on feedback from in-house counsel, which Lexology collects through surveys and industry events.

Only clients can put forward nominations, making this recognition a particularly strong indicator of a consulting expert’s track record.

This year, the following Cornerstone Research experts were honored:

Consulting professionals
Academic experts
Gautam Gowrisankaran

Gautam Gowrisankaran

Professor of Economics,
Columbia University;
Senior Advisor, Cornerstone Research

Esteban Greco

Esteban Greco

Former President, Comisión Nacional de Defensa de la Competencia (CNDC), Argentina;
Director, GAMES Economics

Ashley Langer

Ashley Langer

Professor of Economics,
Eller College of Management,
University of Arizona

Ana McDowall
  • Location icon Chicago
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Ana McDowall

Principal

Michael D. Topper
  • Location icon Silicon Valley
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Michael D. Topper

Senior Advisor

Joanna Tsai
  • Location icon Washington
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Joanna Tsai

Vice President